A LIFELine(R) Kit combines Tectran's industry leading designs into a complete, ready-to-install tractor-trailer connection system. Factory assembly and premium components eliminate the guesswork and reduce installation labor to an absolute minimum, which drives value to the absolute maximum. Order a single part number and install it with a single wrench. Available with or without tender kits so select the right configuration for your application. -4th Line is a 4GA DOUBLEDUALTM cable which is fully compatible with both dual pole horizontal and dual pole vertical systems (SAE J3082 compliant, also available separately in straight or coiled form) -Factory installed, anodized gladhands with polyurethane seals and stainless-steel filter screens -TEC-360(R) Clamps - Can be easily repositioned without tools and 360deg swivels allow the LIFELine(R) Kit to rotate freely which prevents binding, interlocked springs, and stress on connection points -LIFESwivel(R) - 100% brass, live swivel fittings at tractor end allow for easy single-wrench installation -FLEXGrip-HD(R) - Dual-function gladhand grips act as bend restrictors during tight turns and also serve as handles for extra leverage during trailer hook-up (Patent Pending) -Bend Restrictors - Thermo-elastomeric reinforcement guards located on the tractor leads prevent the hoses from kinking and will not corrode like standard spring guards (Patent Pending) -WeatherSeal(R) sleeves on all electrical plugs prevent water and moisture from entering the back of the plug and also provide excellent strain relief during sharp turns -2-Hole TEC-CLAMPS(R) are included for optional storage of the 4th line if the assembly is being used to haul a standard trailer without a socket for it Elevate your tractor-trailer connections with Tectran's LIFELine(R) Kit. Simplify installation and enhance reliability with our top-tier components. Enjoy worry-free performance on the road with Tectran's innovative solution!